compatibility with newer Blender

1.3.2

- fixed: compatibility with blender 3.5 (nodegroup socket API change)

gen_vlayer.py

@@ -118,7 +118,8 @@ def connect_render_layer(rlayer, ng=None, out=None, frame=None):
     for s in reversed(ng.inputs):
         if not s.is_linked: # and not any(x.layer == s.name for x in rl_nodes)
             print(f'removing grp unlinked input {s.name}')
-            ng.inputs.remove(s)
+            # ng.inputs.remove(s)
+            ng.node_tree.inputs.remove(s)
 
     ## get nodes from linked NG inputs ??? maybe more clear...
     # rl_nodes = [s.links[0].from_node for s in ng.inputs if s.links and s.links[0].from_node and s.links[0].from_node.type == 'R_LAYERS']